I stood for a while looking at the books but that quickly proved to be a waste of time.

It was opened in 1830 but quickly proved to be a commercial failure.

The boot design quickly proved to have a number of problems.

Despite the embarrassing beginning, the park quickly proved a hit.

No one believed it could be able to compete, but they were quickly proved wrong.

However, the young king quickly proved to be a tyrant.

It quickly proved to be a useful addition to the fleet.

Experiment quickly proved no key but the pick was needed to leave the plain.

The church however quickly proved to be too small.

Such questions, however, quickly prove too heavy for this wimp of a movie.